How Many People Are Named Isaiah Rumer?
There are approximately 1 people named Isaiah Rumer living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Isaiah with Census Bureau frequency data for the surname Rumer. Below you will find a breakdown of both names, including popularity trends, gender data, and Census background data where it is available.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileIsaiah
Last Name
View full profileRumer
Isaiah: Popularity Over Time
Year-by-year SSA birth registrations for the first name Isaiah. The peak year was 2006 with 10,483 births. The average person named Isaiah today is 19 years old.
Ancestry of the First Name Isaiah
In the 2020 Census, the first name Isaiah was most commonly recorded among people who identified as Hispanic (32.03%). The next largest recorded groups were Black (29.52%) and White (24.77%).
These percentages describe the people who had the first name Isaiah in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.
Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how Isaiah rose or fell over time.
Ancestry of the Rumer Surname
The surname Rumer was most commonly recorded among people who identified as White in the 2020 Census.
This is a self-reported race and ethnicity breakdown for people who had the surname Rumer in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.
How we calculated this
The first name "Isaiah" has an estimated frequency of 0.0705% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Rumer" appears at a rate of 0.28 per 100,000 people in the 2020 U.S. Census.
We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name Isaiah are likely to be alive now.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Isaiah
Other people with the surname Rumer
Isaiah Rumer: Questions and Answers
How many people are named Isaiah Rumer?
We estimate approximately 1 people named Isaiah Rumer are alive in the United States today. The first name Isaiah is shared by 241,516 Americans, and the surname Rumer is shared by 954.
How rare is the name Isaiah Rumer?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Isaiah is common and the surname Rumer is very rare.
Is Isaiah a male or female name?
Isaiah is predominantly male, with 99.7% of bearers being male and 0.3% female. It peaked in popularity in 2006 and the average bearer today is 19 years old.
What does the Census say about the first name Isaiah?
In the 2020 Census, the first name Isaiah was most commonly recorded among people who identified as Hispanic (32.03%). The next largest recorded groups were Black (29.52%) and White (24.77%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.
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